...Yousef M. F. EL Hasadi; J. M. Khodadadi Development of the solid–liquid interface, distribution of the particle concentration field, as well as the development of thermosolutal convection during solidification of colloidal suspensions in a differentially heated cavity are investigated...

... [5] Peppin , S. S. L. , Wettlaufer , J. S. , and Worster , M. G. , 2008 , “ Experimental Verification of Morphological Instability in Freezing Aqueous Colloidal Suspensions ,” Phys. Rev. Lett. , 100 , p. 238301 . 10.1103/PhysRevLett.100.238301 [6] Deville , S. , Maire...

...Liwu Fan; J. M. Khodadadi Highly-conductive nanostructures may be dispersed into phase change materials (PCM) to improve their effective thermal conductivity, thus leading to colloidal systems that are referred to as nanostructure-enhanced PCM (NePCM). Results of a theoretical and experimental...

...Wei Xu; Chang-Hwan Choi In this paper, the evaporation kinetics of microliter-sized sessile droplets of gold colloids (∼250 nm in particle diameters) was experimentally studied on micropatterned superhydrophobic surfaces, compared with those of pure water on a planar hydrophobic surface...

... colloids cooling flow measurement forced convection laminar to turbulent transitions microchannel flow nanoparticles two-phase flow water nanofluids heat transfer pressure drop turbulence transition Nanofluids are engineered colloids that are formulated by dispersing solid...

... of Aggregation and Interfacial Thermal Resistance on Thermal Conductivity of Nanocomposites and Colloidal Nanofluids ,” Int. J. Heat Mass Transfer 0017-9310 , 51 , pp. 1431 – 1438 . 10.1016/j.ijheatmasstransfer.2007.10.017 Buongiorno , J. , Venerus , D. C. , Prabhat , N. , McKrell , T...

...Magnus Fischer; Damir Juric; Dimos Poulikakos We show that heat transfer in microchannels can be considerably augmented by introducing droplets or slugs of an immiscible liquid into the main fluid flow. We numerically investigate the influence of differently shaped colloidal or simply pure...

.... aggregation colloids fractals heat conduction nanoparticles percolation thermal conductivity While the lower bound has been extensively quoted in the nanofluid literature, the upper bound has not received much attention. For the lower Maxwell bound the nanoparticles are always well-dispersed...

... of the mean. Not applicable. The thermal conductivity of four sets of identical samples of colloidally stable nanofluids was measured by the participating organizations, using a variety of experimental approaches, including the transient hot wire method, steady-state methods and optical methods...

... Flux ,” Int. J. Heat Mass Transfer 0017-9310 10.1016/0017-9310(94)90035-3 , 37 , pp. 347 – 360 . 14 04 2008 31 07 2008 13 02 2009 alumina boiling colloids diamond heat transfer nanoparticles suspensions water zinc compounds nanofluids critical heat flux...

... numbers, the existing correlations accurately reproduce the convective heat transfer and viscous pressure loss behavior in tubes. Therefore, no abnormal heat transfer enhancement was observed in this study. 23 03 2007 30 05 2007 21 03 2008 alumina colloids convection...

...Sung Joong Kim; Thomas McKrell; Jacopo Buongiorno; Lin-Wen Hu Many studies have shown that addition of nanosized particles to water enhances the critical heat flux (CHF) in pool boiling. The resulting colloidal dispersions are known in the literature as nanofluids. However, for most potential...

... on Brownian motion of nanoparticles in the liquid is developed. A general expression for the effective thermal conductivity of a colloidal suspension is derived by using ensemble averaging under the assumption of small departures from equilibrium and the presence of pairwise additive interaction potential...

... Brownian motion nanoparticles colloids two-phase flow particle size thermal conductivity water oils nanofluid nanoscale heat transfer colloid thermal conductivity brownian motion The unusually high observed effective thermal conductivity k of nanofluids at small volume...

...J. Buongiorno Nanofluids are engineered colloids made of a base fluid and nanoparticles ( 1 - 100 nm ) . Nanofluids have higher thermal conductivity and single-phase heat transfer coefficients than their base fluids. In particular, the heat transfer coefficient increases appear to go beyond...

.... , Kronberg , B. , and Lindman , B. , 2003 , Surfactants and Polymers in Aqueous Solution , 2nd ed. , Wiley , New York. Hunter , R. J. , 2001 , Foundations of Colloid Science , 2nd ed. , Oxford University Press , Oxford. Manglik , R. M. , Wasekar , V. M. , and Zhang...

... at which micelles (colloid-sized clusters or aggregates of monomers) start to form. While 80°C is the upper limit for QC-6000 surface tensiometer, the surface tension data at real boiling temperature can be obtained by extrapolation of surface tension data with temperature, which typically has...

...Jeffrey B. Hargrove; John R. Lloyd; Clark J. Radcliffe Active control of radiation heat transfer in liquids can be accomplished with the use of a class of fluids referred to here as electro-controllable (EC) fluids. EC fluids in general consist of a colloidal suspension of polarizable, micron-size...